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Offloaded Data Transfer (ODX) not working as expected

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • Offloaded Data Transfer (ODX)

Issue

Offloaded Data Transfer (ODX) is not working even though it has been configured correctly

A packet trace reveals the client attempting offloading, but using the offloading method “copychunk” which ONTAP does not support

407 2021-05-20 12:33:28.188198 10.10.10.15 10.10.15.25 SMB2 Ioctl Request FSCTL_SRV_REQUEST_RESUME_KEY File: cifsShare01\FreeBSD-13.0-RELEASE-amd64-disc1.iso
408 2021-05-20 12:33:28.188562 10.10.15.25 10.10.10.15 SMB2 Ioctl Response, Error: STATUS_NOT_SUPPORTED <<<< ONTAP responds

 

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